(law) a formal termination (of a relationship or a judicial proceeding etc)
例句
用作名词 (n.)
If the rectification fails to be made within the time limit,the request for invalidation shall be deemed not to have been made. 期满未补正的，该无效宣告请求视为未提出。
The decision declaring invalidation of the patent right shall be registered and announced by the patent administrative department of the State Council. 宣告专利权无效的决定，由国务院专利行政部门登记和公告。
Analyze the invalidation cause of returned parts. 分析退回物料的失效原因。
The making of false statements could result in the invalidation of the contract. 提供虚假资料可能导致合同失效。
美
[ɪnˌvælɪ'deɪʃn]
